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TIMKEN / Radial deep-groove ball

TIMKEN 308WG

Deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
40 mm
Outside diameterD
90 mm
WidthB
23 mm
Dynamic load ratingC
58.1 kN
Static load ratingC0
39.1 kN
Mass≈m
0.84 kg

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications10 parameters
Core specifications
ParameterSymbolValue
Series300
Variant / constructionRadial Deep-Groove Ball
Bore diameterd40 mm
Outside diameterD90 mm
WidthB23 mm
Basic dynamic load ratingC58.1 kN
Basic static load ratingC039.1 kN
Mass≈m0.84 kg
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.00
Y1 Factor0.00
Y2 Factor0.00
Y0 Factor0.50
E Factor0.00
Cg Factor0.0425
Manufacturer Identity6 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100155243
World Assembly Part Number308WG
Upc0087796042810
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:46.73
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionRadial Deep-Groove Ball
ConstructionSingle Row Deep Groove Ball Bearing | Imperial Series | 1.5748 in Bore | 3.5433 in OD | 0.9060 in Width | Open | Cylindrical Bore | Steel Cage | C0 Clearance | ISO P0 Tolerance
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating64,400 N
Axial Rating0 N
Dynamic Rating C158,100 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C039,100 N
Extended Dynamic Rating Ce64,400 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN 308WG
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